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Chi square test for association

In a study similar to one conducted by Fallon and Rezin (1985), a psychologist prepared a set of silhouettes showing different females body shapes ranging from somewhat thin to somewhat heavy and asked a group of women to indicate which body figure they thought men would consider the most attractive. Then a group of men were shown the same set of profiles and asked which image they considered most attractive. The following hypothetical data show the number of individuals who selected each of the four body image profiles. Do the data indicate a significant difference between the actual preferences for the men and the preferences predicted by the women? Test at the .05 level of significance.


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The solution provides step by step method for the calculation of Chi square test for association . Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.